404967140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{9431}}^1$

素因数の和:9572

約数の個数: 48

約数和(自身を含む): 903208320

約数和(自身を除く): 498241180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 113, 190, 226, 380, 452, 565, 1130, 2147, 2260, 4294, 8588, 9431, 10735, 18862, 21470, 37724, 42940, 47155, 94310, 179189, 188620, 358378, 716756, 895945, 1065703, 1791890, 2131406, 3583780, 4262812, 5328515, 10657030, 20248357, 21314060, 40496714, 80993428, 101241785, 202483570, 404967140]

約数ペア:

[(1, 404967140), (2, 202483570), (4, 101241785), (5, 80993428), (10, 40496714), (19, 21314060), (20, 20248357), (38, 10657030), (76, 5328515), (95, 4262812), (113, 3583780), (190, 2131406), (226, 1791890), (380, 1065703), (452, 895945), (565, 716756), (1130, 358378), (2147, 188620), (2260, 179189), (4294, 94310), (8588, 47155), (9431, 42940), (10735, 37724), (18862, 21470)]